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Dec 31, 2015
Hydraulic Model Experiment on the Diffusion Due to the Coastal Current
Authors: Haruo Higuchi and Yuichi IwagakiAuthor Affiliations
Publication: Coastal Engineering 1968
Abstract
The diffusion phenomena due to the tidal current and the longshore current inside and outside a harbor are studied in a hydraulic model experiment, for which the Kashima Harbor area is used as the prototype. The tidal current, the longshore current and the effect of density are taken into account, but the direct effects of wind and waves are not considered.
A model of Kashima Harbor, with horizontal and vertical scales of 1/500 and 1/63 respectively, was constructed, and a semidiurnal tide generated by an automatically controlled pneumatic tide generator and longshore current by a water circulating system were provided for it. The water level at 4 stations and current pattern were measured. The diffusion of dyed water from instantaneous point sources and a continuous point source was investigated by the photographic method and dye concentration analysis.
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Published In
Coastal Engineering 1968
Pages: 1357 - 1376
Copyright
© 1969 American Society of Civil Engineers.
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Published online: Dec 31, 2015
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Authors
Affiliations
Haruo Higuchi
Assistant Professor of Physical Oceanography Disaster Prevention Research Institute Kyoto University, Kyoto, Japan
Yuichi Iwagaki
Professor of Coastal Engineering Department of Civil Engineering Kyoto University, Kyoto, Japan
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